Ejemplo n.º 1
0
/*!
 *  l_byteaJoin()
 *
 *      Input:  ba1
 *              &ba2 (data array is added to the one in ba1, and
 *                     then ba2 is destroyed)
 *      Return: 0 if OK, 1 on error
 *
 *  Notes:
 *      (1) It is a no-op, not an error, for @ba2 to be null.
 */
l_int32
l_byteaJoin(L_BYTEA   *ba1,
            L_BYTEA  **pba2)
{
l_uint8  *data2;
size_t    nbytes2;
L_BYTEA  *ba2;

    PROCNAME("l_byteaJoin");

    if (!ba1)
        return ERROR_INT("ba1 not defined", procName, 1);
    if (!pba2)
        return ERROR_INT("&ba2 not defined", procName, 1);
    if ((ba2 = *pba2) == NULL) return 0;

    data2 = l_byteaGetData(ba2, &nbytes2);
    l_byteaAppendData(ba1, data2, nbytes2);

    l_byteaDestroy(pba2);
    return 0;
}
Ejemplo n.º 2
0
int main(int    argc,
         char **argv)
{
char        *filein, *str, *prestring, *outprotos, *protostr;
const char  *spacestr = " ";
char         buf[L_BUF_SIZE];
l_uint8     *allheaders;
l_int32      i, maxindex, in_line, nflags, protos_added, firstfile, len, ret;
size_t       nbytes;
L_BYTEA     *ba, *ba2;
SARRAY      *sa, *safirst;
static char  mainName[] = "xtractprotos";

    if (argc == 1) {
        fprintf(stderr,
                "xtractprotos [-prestring=<string>] [-protos=<where>] "
                "[list of C files]\n"
                "where the prestring is prepended to each prototype, and \n"
                "protos can be either 'inline' or the name of an output "
                "prototype file\n");
        return 1;
    }

    /* ---------------------------------------------------------------- */
    /* Parse input flags and find prestring and outprotos, if requested */
    /* ---------------------------------------------------------------- */
    prestring = outprotos = NULL;
    in_line = FALSE;
    nflags = 0;
    maxindex = L_MIN(3, argc);
    for (i = 1; i < maxindex; i++) {
        if (argv[i][0] == '-') {
            if (!strncmp(argv[i], "-prestring", 10)) {
                nflags++;
                ret = sscanf(argv[i] + 1, "prestring=%s", buf);
                if (ret != 1) {
                    fprintf(stderr, "parse failure for prestring\n");
                    return 1;
                }
                if ((len = strlen(buf)) > L_BUF_SIZE - 3) {
                    L_WARNING("prestring too large; omitting!\n", mainName);
                } else {
                    buf[len] = ' ';
                    buf[len + 1] = '\0';
                    prestring = stringNew(buf);
                }
            } else if (!strncmp(argv[i], "-protos", 7)) {
                nflags++;
                ret = sscanf(argv[i] + 1, "protos=%s", buf);
                if (ret != 1) {
                    fprintf(stderr, "parse failure for protos\n");
                    return 1;
                }
                outprotos = stringNew(buf);
                if (!strncmp(outprotos, "inline", 7))
                    in_line = TRUE;
            }
        }
    }

    if (argc - nflags < 2) {
        fprintf(stderr, "no files specified!\n");
        return 1;
    }


    /* ---------------------------------------------------------------- */
    /*                   Generate the prototype string                  */
    /* ---------------------------------------------------------------- */
    ba = l_byteaCreate(500);

        /* First the extern C head */
    sa = sarrayCreate(0);
    sarrayAddString(sa, (char *)"/*", 1);
    snprintf(buf, L_BUF_SIZE,
             " *  These prototypes were autogen'd by xtractprotos, v. %s",
             version);
    sarrayAddString(sa, buf, 1);
    sarrayAddString(sa, (char *)" */", 1);
    sarrayAddString(sa, (char *)"#ifdef __cplusplus", 1);
    sarrayAddString(sa, (char *)"extern \"C\" {", 1);
    sarrayAddString(sa, (char *)"#endif  /* __cplusplus */\n", 1);
    str = sarrayToString(sa, 1);
    l_byteaAppendString(ba, str);
    lept_free(str);
    sarrayDestroy(&sa);

        /* Then the prototypes */
    firstfile = 1 + nflags;
    protos_added = FALSE;
    for (i = firstfile; i < argc; i++) {
        filein = argv[i];
	len = strlen(filein);
	if (filein[len - 1] == 'h')  /* skip .h files */
	    continue;
	snprintf(buf, L_BUF_SIZE, "cpp -ansi -DNO_PROTOS %s %s",
	         filein, tempfile);
	ret = system(buf);
	if (ret) {
            fprintf(stderr, "cpp failure for %s; continuing\n", filein);
	    continue;
	}

	if ((str = parseForProtos(tempfile, prestring)) == NULL) {
            fprintf(stderr, "parse failure for %s; continuing\n", filein);
	    continue;
	}
	if (strlen(str) > 1) {  /* strlen(str) == 1 is a file without protos */
            l_byteaAppendString(ba, str);
            protos_added = TRUE;
        }
        lept_free(str);
    }

        /* Lastly the extern C tail */
    sa = sarrayCreate(0);
    sarrayAddString(sa, (char *)"\n#ifdef __cplusplus", 1);
    sarrayAddString(sa, (char *)"}", 1);
    sarrayAddString(sa, (char *)"#endif  /* __cplusplus */", 1);
    str = sarrayToString(sa, 1);
    l_byteaAppendString(ba, str);
    lept_free(str);
    sarrayDestroy(&sa);

    protostr = (char *)l_byteaCopyData(ba, &nbytes);
    l_byteaDestroy(&ba);


    /* ---------------------------------------------------------------- */
    /*                       Generate the output                        */
    /* ---------------------------------------------------------------- */
    if (!outprotos) {  /* just write to stdout */
        fprintf(stderr, "%s\n", protostr);
        lept_free(protostr);
        return 0;
    }

        /* If no protos were found, do nothing further */
    if (!protos_added) {
        fprintf(stderr, "No protos found\n");
        lept_free(protostr);
        return 1;
    }

        /* Make the output files */
    ba = l_byteaInitFromFile("allheaders_top.txt");
    if (!in_line) {
        snprintf(buf, sizeof(buf), "#include \"%s\"\n", outprotos);
        l_byteaAppendString(ba, buf);
        l_binaryWrite(outprotos, "w", protostr, nbytes);
    } else {
        l_byteaAppendString(ba, protostr);
    }
    ba2 = l_byteaInitFromFile("allheaders_bot.txt");
    l_byteaJoin(ba, &ba2);
    l_byteaWrite("allheaders.h", ba, 0, 0);
    l_byteaDestroy(&ba);
    lept_free(protostr);
    return 0;
}
Ejemplo n.º 3
0
int main(int    argc,
         char **argv)
{
char         buffer[512];
char        *tempfile1, *tempfile2;
l_uint8     *data;
l_int32      i, j, w, h, seq, ret, same;
size_t       nbytes;
const char  *title;
BOX         *box;
BOXA        *boxa1, *boxa2;
L_BYTEA     *ba;
L_PDF_DATA  *lpd;
PIX         *pix1, *pix2, *pix3, *pix4, *pix5, *pix6;
PIX         *pixs, *pixt, *pixg, *pixgc, *pixc;
static char  mainName[] = "pdfiotest";

    if (argc != 1)
        return ERROR_INT("syntax: pdfiotest", mainName, 1);
    l_pdfSetDateAndVersion(0);

    lept_mkdir("lept/pdf");

#if 1
    /* ---------------  Single image tests  ------------------- */
    fprintf(stderr, "\n*** Writing single images as pdf files\n");

    convertToPdf("weasel2.4c.png", L_FLATE_ENCODE, 0, "/tmp/lept/pdf/file01.pdf",
                 0, 0, 72, "weasel2.4c.png", NULL, 0);
    convertToPdf("test24.jpg", L_JPEG_ENCODE, 0, "/tmp/lept/pdf/file02.pdf",
                 0, 0, 72, "test24.jpg", NULL, 0);
    convertToPdf("feyn.tif", L_G4_ENCODE, 0, "/tmp/lept/pdf/file03.pdf",
                 0, 0, 300, "feyn.tif", NULL, 0);

    pixs = pixRead("feyn.tif");
    pixConvertToPdf(pixs, L_G4_ENCODE, 0, "/tmp/lept/pdf/file04.pdf", 0, 0, 300,
                    "feyn.tif", NULL, 0);
    pixDestroy(&pixs);

    pixs = pixRead("test24.jpg");
    pixConvertToPdf(pixs, L_JPEG_ENCODE, 5, "/tmp/lept/pdf/file05.pdf",
                    0, 0, 72, "test24.jpg", NULL, 0);
    pixDestroy(&pixs);

    pixs = pixRead("feyn.tif");
    pixt = pixScaleToGray2(pixs);
    pixWrite("/tmp/lept/pdf/feyn8.png", pixt, IFF_PNG);
    convertToPdf("/tmp/lept/pdf/feyn8.png", L_JPEG_ENCODE, 0,
                 "/tmp/lept/pdf/file06.pdf", 0, 0, 150, "feyn8.png", NULL, 0);
    pixDestroy(&pixs);
    pixDestroy(&pixt);

    convertToPdf("weasel4.16g.png", L_FLATE_ENCODE, 0,
                 "/tmp/lept/pdf/file07.pdf", 0, 0, 30,
                 "weasel4.16g.png", NULL, 0);

    pixs = pixRead("test24.jpg");
    pixg = pixConvertTo8(pixs, 0);
    box = boxCreate(100, 100, 100, 100);
    pixc = pixClipRectangle(pixs, box, NULL);
    pixgc = pixClipRectangle(pixg, box, NULL);
    pixWrite("/tmp/lept/pdf/pix32.jpg", pixc, IFF_JFIF_JPEG);
    pixWrite("/tmp/lept/pdf/pix8.jpg", pixgc, IFF_JFIF_JPEG);
    convertToPdf("/tmp/lept/pdf/pix32.jpg", L_FLATE_ENCODE, 0,
                 "/tmp/lept/pdf/file08.pdf", 0, 0, 72, "pix32.jpg", NULL, 0);
    convertToPdf("/tmp/lept/pdf/pix8.jpg", L_FLATE_ENCODE, 0,
                 "/tmp/lept/pdf/file09.pdf", 0, 0, 72, "pix8.jpg", NULL, 0);
    pixDestroy(&pixs);
    pixDestroy(&pixg);
    pixDestroy(&pixc);
    pixDestroy(&pixgc);
    boxDestroy(&box);
#endif


#if 1
    /* ---------------  Multiple image tests  ------------------- */
    fprintf(stderr, "\n*** Writing multiple images as single page pdf files\n");

    pix1 = pixRead("feyn-fract.tif");
    pix2 = pixRead("weasel8.240c.png");

/*    l_pdfSetDateAndVersion(0); */
        /* First, write the 1 bpp image through the mask onto the weasels */
    for (i = 0; i < 5; i++) {
        for (j = 0; j < 10; j++) {
            seq = (i == 0 && j == 0) ? L_FIRST_IMAGE : L_NEXT_IMAGE;
            title = (i == 0 && j == 0) ? "feyn-fract.tif" : NULL;
            pixConvertToPdf(pix2, L_FLATE_ENCODE, 0, NULL, 100 * j,
                            100 * i, 70, title, &lpd, seq);
        }
    }
    pixConvertToPdf(pix1, L_G4_ENCODE, 0, "/tmp/lept/pdf/file10.pdf", 0, 0, 80,
                    NULL, &lpd, L_LAST_IMAGE);

        /* Now, write the 1 bpp image over the weasels */
    l_pdfSetG4ImageMask(0);
    for (i = 0; i < 5; i++) {
        for (j = 0; j < 10; j++) {
            seq = (i == 0 && j == 0) ? L_FIRST_IMAGE : L_NEXT_IMAGE;
            title = (i == 0 && j == 0) ? "feyn-fract.tif" : NULL;
            pixConvertToPdf(pix2, L_FLATE_ENCODE, 0, NULL, 100 * j,
                            100 * i, 70, title, &lpd, seq);
        }
    }
    pixConvertToPdf(pix1, L_G4_ENCODE, 0, "/tmp/lept/pdf/file11.pdf", 0, 0, 80,
                    NULL, &lpd, L_LAST_IMAGE);
    l_pdfSetG4ImageMask(1);
    pixDestroy(&pix1);
    pixDestroy(&pix2);
#endif

#if 1
    /* -------- pdf convert segmented with no image regions -------- */
    fprintf(stderr, "\n*** Writing segmented images without image regions\n");

    pix1 = pixRead("rabi.png");
    pix2 = pixScaleToGray2(pix1);
    pixWrite("/tmp/lept/pdf/rabi8.jpg", pix2, IFF_JFIF_JPEG);
    pix3 = pixThresholdTo4bpp(pix2, 16, 1);
    pixWrite("/tmp/lept/pdf/rabi4.png", pix3, IFF_PNG);
    pixDestroy(&pix1);
    pixDestroy(&pix2);
    pixDestroy(&pix3);

        /* 1 bpp input */
    convertToPdfSegmented("rabi.png", 300, L_G4_ENCODE, 128, NULL, 0, 0,
                          NULL, "/tmp/lept/pdf/file12.pdf");
    convertToPdfSegmented("rabi.png", 300, L_JPEG_ENCODE, 128, NULL, 0, 0,
                          NULL, "/tmp/lept/pdf/file13.pdf");
    convertToPdfSegmented("rabi.png", 300, L_FLATE_ENCODE, 128, NULL, 0, 0,
                          NULL, "/tmp/lept/pdf/file14.pdf");

        /* 8 bpp input, no cmap */
    convertToPdfSegmented("/tmp/lept/pdf/rabi8.jpg", 150, L_G4_ENCODE, 128,
                          NULL, 0, 0, NULL, "/tmp/lept/pdf/file15.pdf");
    convertToPdfSegmented("/tmp/lept/pdf/rabi8.jpg", 150, L_JPEG_ENCODE, 128,
                          NULL, 0, 0, NULL, "/tmp/lept/pdf/file16.pdf");
    convertToPdfSegmented("/tmp/lept/pdf/rabi8.jpg", 150, L_FLATE_ENCODE, 128,
                          NULL, 0, 0, NULL, "/tmp/lept/pdf/file17.pdf");

        /* 4 bpp input, cmap */
    convertToPdfSegmented("/tmp/lept/pdf/rabi4.png", 150, L_G4_ENCODE, 128,
                          NULL, 0, 0, NULL, "/tmp/lept/pdf/file18.pdf");
    convertToPdfSegmented("/tmp/lept/pdf/rabi4.png", 150, L_JPEG_ENCODE, 128,
                          NULL, 0, 0, NULL, "/tmp/lept/pdf/file19.pdf");
    convertToPdfSegmented("/tmp/lept/pdf/rabi4.png", 150, L_FLATE_ENCODE, 128,
                          NULL, 0, 0, NULL, "/tmp/lept/pdf/file20.pdf");

#endif

#if 1
    /* ---------- pdf convert segmented with image regions ---------- */
    fprintf(stderr, "\n*** Writing segmented images with image regions\n");

        /* Get the image region(s) for rabi.png.  There are two
         * small bogus regions at the top, but we'll keep them for
         * the demonstration. */
    pix1 = pixRead("rabi.png");
    pixSetResolution(pix1, 300, 300);
    pixGetDimensions(pix1, &w, &h, NULL);
    pix2 = pixGenerateHalftoneMask(pix1, NULL, NULL, NULL);
    pix3 = pixMorphSequence(pix2, "c20.1 + c1.20", 0);
    boxa1 = pixConnComp(pix3, NULL, 8);
    boxa2 = boxaTransform(boxa1, 0, 0, 0.5, 0.5);
    pixDestroy(&pix1);
    pixDestroy(&pix2);
    pixDestroy(&pix3);

        /* 1 bpp input */
    convertToPdfSegmented("rabi.png", 300, L_G4_ENCODE, 128, boxa1,
                          0, 0.25, NULL, "/tmp/lept/pdf/file21.pdf");
    convertToPdfSegmented("rabi.png", 300, L_JPEG_ENCODE, 128, boxa1,
                          0, 0.25, NULL, "/tmp/lept/pdf/file22.pdf");
    convertToPdfSegmented("rabi.png", 300, L_FLATE_ENCODE, 128, boxa1,
                          0, 0.25, NULL, "/tmp/lept/pdf/file23.pdf");

        /* 8 bpp input, no cmap */
    convertToPdfSegmented("/tmp/lept/pdf/rabi8.jpg", 150, L_G4_ENCODE, 128,
                          boxa2, 0, 0.5, NULL, "/tmp/lept/pdf/file24.pdf");
    convertToPdfSegmented("/tmp/lept/pdf/rabi8.jpg", 150, L_JPEG_ENCODE, 128,
                          boxa2, 0, 0.5, NULL, "/tmp/lept/pdf/file25.pdf");
    convertToPdfSegmented("/tmp/lept/pdf/rabi8.jpg", 150, L_FLATE_ENCODE, 128,
                          boxa2, 0, 0.5, NULL, "/tmp/lept/pdf/file26.pdf");

        /* 4 bpp input, cmap */
    convertToPdfSegmented("/tmp/lept/pdf/rabi4.png", 150, L_G4_ENCODE, 128,
                          boxa2, 0, 0.5, NULL, "/tmp/lept/pdf/file27.pdf");
    convertToPdfSegmented("/tmp/lept/pdf/rabi4.png", 150, L_JPEG_ENCODE, 128,
                          boxa2, 0, 0.5, NULL, "/tmp/lept/pdf/file28.pdf");
    convertToPdfSegmented("/tmp/lept/pdf/rabi4.png", 150, L_FLATE_ENCODE, 128,
                          boxa2, 0, 0.5, NULL, "/tmp/lept/pdf/file29.pdf");

        /* 4 bpp input, cmap, data output */
    data = NULL;
    convertToPdfDataSegmented("/tmp/lept/pdf/rabi4.png", 150, L_G4_ENCODE,
                              128, boxa2, 0, 0.5, NULL, &data, &nbytes);
    l_binaryWrite("/tmp/lept/pdf/file30.pdf", "w", data, nbytes);
    lept_free(data);
    convertToPdfDataSegmented("/tmp/lept/pdf/rabi4.png", 150, L_JPEG_ENCODE,
                              128, boxa2, 0, 0.5, NULL, &data, &nbytes);
    l_binaryWrite("/tmp/lept/pdf/file31.pdf", "w", data, nbytes);
    lept_free(data);
    convertToPdfDataSegmented("/tmp/lept/pdf/rabi4.png", 150, L_FLATE_ENCODE,
                              128, boxa2, 0, 0.5, NULL, &data, &nbytes);
    l_binaryWrite("/tmp/lept/pdf/file32.pdf", "w", data, nbytes);
    lept_free(data);

    boxaDestroy(&boxa1);
    boxaDestroy(&boxa2);
#endif


#if 1
    /* -------- pdf convert segmented from color image -------- */
    fprintf(stderr, "\n*** Writing color segmented images\n");

    pix1 = pixRead("candelabrum.011.jpg");
    pix2 = pixScale(pix1, 3.0, 3.0);
    pixWrite("/tmp/lept/pdf/candelabrum3.jpg", pix2, IFF_JFIF_JPEG);
    GetImageMask(pix2, 200, &boxa1, "/tmp/lept/pdf/seg1.jpg");
    convertToPdfSegmented("/tmp/lept/pdf/candelabrum3.jpg", 200, L_G4_ENCODE,
                          100, boxa1, 0, 0.25, NULL,
                          "/tmp/lept/pdf/file33.pdf");
    convertToPdfSegmented("/tmp/lept/pdf/candelabrum3.jpg", 200, L_JPEG_ENCODE,
                          100, boxa1, 0, 0.25, NULL,
                          "/tmp/lept/pdf/file34.pdf");
    convertToPdfSegmented("/tmp/lept/pdf/candelabrum3.jpg", 200, L_FLATE_ENCODE,
                          100, boxa1, 0, 0.25, NULL,
                          "/tmp/lept/pdf/file35.pdf");

    pixDestroy(&pix1);
    pixDestroy(&pix2);
    boxaDestroy(&boxa1);

    pix1 = pixRead("lion-page.00016.jpg");
    pix2 = pixScale(pix1, 3.0, 3.0);
    pixWrite("/tmp/lept/pdf/lion16.jpg", pix2, IFF_JFIF_JPEG);
    pix3 = pixRead("lion-mask.00016.tif");
    boxa1 = pixConnComp(pix3, NULL, 8);
    boxa2 = boxaTransform(boxa1, 0, 0, 3.0, 3.0);
    convertToPdfSegmented("/tmp/lept/pdf/lion16.jpg", 200, L_G4_ENCODE,
                          190, boxa2, 0, 0.5, NULL, "/tmp/lept/pdf/file36.pdf");
    convertToPdfSegmented("/tmp/lept/pdf/lion16.jpg", 200, L_JPEG_ENCODE,
                          190, boxa2, 0, 0.5, NULL, "/tmp/lept/pdf/file37.pdf");
    convertToPdfSegmented("/tmp/lept/pdf/lion16.jpg", 200, L_FLATE_ENCODE,
                          190, boxa2, 0, 0.5, NULL, "/tmp/lept/pdf/file38.pdf");

        /* Quantize the non-image part and flate encode.
         * This is useful because it results in a smaller file than
         * when you flate-encode the un-quantized non-image regions. */
    pix4 = pixScale(pix3, 3.0, 3.0);  /* higher res mask, for combining */
    pix5 = QuantizeNonImageRegion(pix2, pix4, 12);
    pixWrite("/tmp/lept/pdf/lion16-quant.png", pix5, IFF_PNG);
    convertToPdfSegmented("/tmp/lept/pdf/lion16-quant.png", 200, L_FLATE_ENCODE,
                          190, boxa2, 0, 0.5, NULL, "/tmp/lept/pdf/file39.pdf");

    pixDestroy(&pix1);
    pixDestroy(&pix2);
    pixDestroy(&pix3);
    pixDestroy(&pix4);
    pixDestroy(&pix5);
    boxaDestroy(&boxa1);
    boxaDestroy(&boxa2);
#endif

#if 1
    /* ------------------ Test multipage pdf generation ----------------- */
    fprintf(stderr, "\n*** Writing multipage pdfs from single page pdfs\n");

        /* Generate a multi-page pdf from all these files */
    startTimer();
    concatenatePdf("/tmp/lept/pdf", "file", "/tmp/lept/pdf/cat_lept.pdf");
    fprintf(stderr,
            "All files have been concatenated: /tmp/lept/pdf/cat_lept.pdf\n"
                    "Concatenation time: %7.3f\n", stopTimer());
#endif

#if 1
    /* ----------- Test corruption recovery by concatenation ------------ */
        /* Put two good pdf files in a directory */
    lept_rmdir("lept/good");
    lept_mkdir("lept/good");
    lept_cp("testfile1.pdf", "lept/good", NULL, NULL);
    lept_cp("testfile2.pdf", "lept/good", NULL, NULL);
    concatenatePdf("/tmp/lept/good", "file", "/tmp/lept/pdf/good.pdf");

        /* Make a bad version with the pdf id removed, so that it is not
         * recognized as a pdf */
    lept_rmdir("lept/bad");
    lept_mkdir("lept/bad");
    ba = l_byteaInitFromFile("testfile2.pdf");
    data = l_byteaGetData(ba, &nbytes);
    l_binaryWrite("/tmp/lept/bad/testfile0.notpdf.pdf", "w",
                  data + 10, nbytes - 10);

        /* Make a version with a corrupted trailer */
    if (data)
        data[2297] = '2';  /* munge trailer object 6: change 458 --> 428 */
    l_binaryWrite("/tmp/lept/bad/testfile2.bad.pdf", "w", data, nbytes);
    l_byteaDestroy(&ba);

        /* Copy testfile1.pdf to the /tmp/lept/bad directory.  Then
         * run concat on the bad files.  The "not pdf" file should be
         * ignored, and the corrupted pdf file should be properly parsed,
         * so the resulting concatenated pdf files should be identical.  */
    fprintf(stderr, "\nWe attempt to build from the bad directory\n");
    lept_cp("testfile1.pdf", "lept/bad", NULL, NULL);
    concatenatePdf("/tmp/lept/bad", "file", "/tmp/lept/pdf/bad.pdf");
    filesAreIdentical("/tmp/lept/pdf/good.pdf", "/tmp/lept/pdf/bad.pdf", &same);
    if (same)
        fprintf(stderr, "Fixed: files are the same\n"
                        "Attempt succeeded\n");
    else
        fprintf(stderr, "Busted: files are different\n");
#endif

#if 0
    fprintf(stderr, "\n*** pdftk writes multipage pdfs from images\n");
    tempfile1 = genPathname("/tmp/lept/pdf", "file*.pdf");
    tempfile2 = genPathname("/tmp/lept/pdf", "cat_pdftk.pdf");
    snprintf(buffer, sizeof(buffer), "pdftk %s output %s",
             tempfile1, tempfile2);
    ret = system(buffer);  /* pdftk */
    lept_free(tempfile1);
    lept_free(tempfile2);
#endif

#if 1
    /* -- Test simple interface for generating multi-page pdf from images -- */
    fprintf(stderr, "\n*** Writing multipage pdfs from images\n");

        /* Put four image files in a directory.  They will be encoded thus:
         *     file1.png:  flate (8 bpp, only 10 colors)
         *     file2.jpg:  dct (8 bpp, 256 colors because of the jpeg encoding)
         *     file3.tif:  g4 (1 bpp)
         *     file4.jpg:  dct (32 bpp)    */
    lept_mkdir("lept/image");
    pix1 = pixRead("feyn.tif");
    pix2 = pixRead("rabi.png");
    pix3 = pixScaleToGray3(pix1);
    pix4 = pixScaleToGray3(pix2);
    pix5 = pixScale(pix1, 0.33, 0.33);
    pix6 = pixRead("test24.jpg");
    pixWrite("/tmp/lept/image/file1.png", pix3, IFF_PNG);  /* 10 colors */
    pixWrite("/tmp/lept/image/file2.jpg", pix4, IFF_JFIF_JPEG); /* 256 colors */
    pixWrite("/tmp/lept/image/file3.tif", pix5, IFF_TIFF_G4);
    pixWrite("/tmp/lept/image/file4.jpg", pix6, IFF_JFIF_JPEG);

    startTimer();
    convertFilesToPdf("/tmp/lept/image", "file", 100, 0.8, 0, 75, "4 file test",
                      "/tmp/lept/pdf/fourimages.pdf");
    fprintf(stderr, "4-page pdf generated: /tmp/lept/pdf/fourimages.pdf\n"
                    "Time: %7.3f\n", stopTimer());
    pixDestroy(&pix1);
    pixDestroy(&pix2);
    pixDestroy(&pix3);
    pixDestroy(&pix4);
    pixDestroy(&pix5);
    pixDestroy(&pix6);
#endif

    return 0;
}
Ejemplo n.º 4
0
int main(int    argc,
         char **argv)
{
char        *str;
l_uint8     *data1, *data2;
l_int32      i, n, same1, same2;
size_t       size1, size2, slice, total, start, end;
FILE        *fp;
L_DNA       *da;
SARRAY      *sa;
L_BYTEA     *lba1, *lba2, *lba3, *lba4, *lba5;
static char  mainName[] = "byteatest";

    if (argc != 1)
        return ERROR_INT("syntax: byteatest", mainName, 1);

    lept_mkdir("bytea");

        /* Test basic init, join and split */
    lba1 = l_byteaInitFromFile("feyn.tif");
    lba2 = l_byteaInitFromFile("test24.jpg");
    size1 = l_byteaGetSize(lba1);
    size2 = l_byteaGetSize(lba2);
    l_byteaJoin(lba1, &lba2);
    lba3 = l_byteaInitFromMem(lba1->data, size1);
    lba4 = l_byteaInitFromMem(lba1->data + size1, size2);

        /* Split by hand */
    l_binaryWrite("/tmp/bytea/junk1.dat", "w", lba3->data, lba3->size);
    l_binaryWrite("/tmp/bytea/junk2.dat", "w", lba4->data, lba4->size);
    filesAreIdentical("feyn.tif", "/tmp/bytea/junk1.dat", &same1);
    filesAreIdentical("test24.jpg", "/tmp/bytea/junk2.dat", &same2);
    if (same1 && same2)
        fprintf(stderr, "OK for join file\n");
    else
        fprintf(stderr, "Error: files are different!\n");

        /* Split by function */
    l_byteaSplit(lba1, size1, &lba5);
    l_binaryWrite("/tmp/bytea/junk3.dat", "w", lba1->data, lba1->size);
    l_binaryWrite("/tmp/bytea/junk4.dat", "w", lba5->data, lba5->size);
    filesAreIdentical("feyn.tif", "/tmp/bytea/junk3.dat", &same1);
    filesAreIdentical("test24.jpg", "/tmp/bytea/junk4.dat", &same2);
    if (same1 && same2)
        fprintf(stderr, "OK for split file\n");
    else
        fprintf(stderr, "Error: files are different!\n");
    l_byteaDestroy(&lba1);
    l_byteaDestroy(&lba2);
    l_byteaDestroy(&lba3);
    l_byteaDestroy(&lba4);
    l_byteaDestroy(&lba5);

        /* Test appending with strings */
    data1 = l_binaryRead("kernel_reg.c", &size1);
    sa = sarrayCreateLinesFromString((char *)data1, 1);
    lba1 = l_byteaCreate(0);
    n = sarrayGetCount(sa);
    for (i = 0; i < n; i++) {
        str = sarrayGetString(sa, i, L_NOCOPY);
        l_byteaAppendString(lba1, str);
        l_byteaAppendString(lba1, (char *)"\n");
    }
    data2 = l_byteaGetData(lba1, &size2);
    l_binaryWrite("/tmp/bytea/junk5.dat", "w", data2, size2);
    filesAreIdentical("kernel_reg.c", "/tmp/bytea/junk5.dat", &same1);
    if (same1)
        fprintf(stderr, "OK for appended string data\n");
    else
        fprintf(stderr, "Error: appended string data is different!\n");
    lept_free(data1);
    sarrayDestroy(&sa);
    l_byteaDestroy(&lba1);

        /* Test appending with binary data */
    slice = 1000;
    total = nbytesInFile("breviar-a38.jp2");
    lba1 = l_byteaCreate(100);
    n = 1 + total / slice;
    fprintf(stderr, "******************************************************\n");
    fprintf(stderr, "* Testing error checking: ignore two reported errors *\n");
    for (i = 0, start = 0; i <= n; i++, start += slice) {
         data1 = l_binaryReadSelect("breviar-a38.jp2", start, slice, &size1);
         l_byteaAppendData(lba1, data1, size1);
         lept_free(data1);
    }
    fprintf(stderr, "******************************************************\n");
    data2 = l_byteaGetData(lba1, &size2);
    l_binaryWrite("/tmp/bytea/junk6.dat", "w", data2, size2);
    filesAreIdentical("breviar-a38.jp2", "/tmp/bytea/junk6.dat", &same1);
    if (same1)
        fprintf(stderr, "OK for appended binary data\n");
    else
        fprintf(stderr, "Error: appended binary data is different!\n");
    l_byteaDestroy(&lba1);

        /* Test search */
    convertToPdf("test24.jpg", L_JPEG_ENCODE, 0, "/tmp/bytea/junk7.pdf",
                 0, 0, 100, NULL, NULL, 0);
    lba1 = l_byteaInitFromFile("/tmp/bytea/junk7.pdf");
    l_byteaFindEachSequence(lba1, (l_uint8 *)" 0 obj\n", 7, &da);
    /* l_dnaWriteStream(stderr, da); */
    n = l_dnaGetCount(da);
    if (n == 6)
        fprintf(stderr, "OK for search: found 6 instances\n");
    else
        fprintf(stderr, "Error in search: found %d instances, not 6\n", n);
    l_byteaDestroy(&lba1);
    l_dnaDestroy(&da);

        /* Test write to file */
    lba1 = l_byteaInitFromFile("feyn.tif");
    fp = lept_fopen("/tmp/bytea/junk8.dat", "wb");
    size1 = l_byteaGetSize(lba1);
    for (start = 0; start < size1; start += 1000) {
         end = L_MIN(start + 1000 - 1, size1 - 1);
         l_byteaWriteStream(fp, lba1, start, end);
    }
    lept_fclose(fp);
    filesAreIdentical("feyn.tif", "/tmp/bytea/junk8.dat", &same1);
    if (same1)
        fprintf(stderr, "OK for written binary data\n");
    else
        fprintf(stderr, "Error: written binary data is different!\n");
    l_byteaDestroy(&lba1);

    return 0;
}
Ejemplo n.º 5
0
main(int    argc,
     char **argv)
{
char        *str;
l_uint8     *data1, *data2;
l_int32      i, n, start, end, same1, same2;
size_t       size1, size2;
FILE        *fp;
L_DNA       *da;
SARRAY      *sa;
L_BYTEA     *lba1, *lba2, *lba3, *lba4, *lba5;
static char  mainName[] = "byteatest";

    if (argc != 1)
        exit(ERROR_INT("syntax: whatever11", mainName, 1));

        /* Test basic init, join and split */
    lba1 = l_byteaInitFromFile("feyn.tif");
    lba2 = l_byteaInitFromFile("test24.jpg");
    size1 = l_byteaGetSize(lba1);
    size2 = l_byteaGetSize(lba2);
    l_byteaJoin(lba1, &lba2);
    lba3 = l_byteaInitFromMem(lba1->data, size1);
    lba4 = l_byteaInitFromMem(lba1->data + size1, size2);

        /* Split by hand */
    l_binaryWrite("junk1", "w", lba3->data, lba3->size);
    l_binaryWrite("junk2", "w", lba4->data, lba4->size);
    filesAreIdentical("feyn.tif", "junk1", &same1);
    filesAreIdentical("test24.jpg", "junk2", &same2);
    if (same1 && same2)
        fprintf(stderr, "OK for join file\n");
    else
        fprintf(stderr, "Error: files are different!\n");

        /* Split by function */
    l_byteaSplit(lba1, size1, &lba5);
    l_binaryWrite("junk3", "w", lba1->data, lba1->size);
    l_binaryWrite("junk4", "w", lba5->data, lba5->size);
    filesAreIdentical("feyn.tif", "junk3", &same1);
    filesAreIdentical("test24.jpg", "junk4", &same2);
    if (same1 && same2)
        fprintf(stderr, "OK for split file\n");
    else
        fprintf(stderr, "Error: files are different!\n");
    l_byteaDestroy(&lba1);
    l_byteaDestroy(&lba2);
    l_byteaDestroy(&lba3);
    l_byteaDestroy(&lba4);
    l_byteaDestroy(&lba5);

        /* Test appending */
    data1 = l_binaryRead("whatever10.c", &size1);
    sa = sarrayCreateLinesFromString((char *)data1, 1);
    lba1 = l_byteaCreate(0);
    n = sarrayGetCount(sa);
    for (i = 0; i < n; i++) {
        str = sarrayGetString(sa, i, L_NOCOPY);
        l_byteaAppendString(lba1, str);
        l_byteaAppendString(lba1, (char *)"\n");
    }
    data2 = l_byteaGetData(lba1, &size2);
    l_binaryWrite("junk1.txt", "w", data2, size2);
    filesAreIdentical("whatever10.c", "junk1.txt", &same1);
    if (same1)
        fprintf(stderr, "OK for appended file\n");
    else
        fprintf(stderr, "Error: appended file is different!\n");
    lept_free(data1);
    sarrayDestroy(&sa);
    l_byteaDestroy(&lba1);

        /* Test search */
    convertToPdf("test24.jpg", L_JPEG_ENCODE, 0, "junk3.pdf",
                 0, 0, 100, NULL, 0, NULL);
    lba1 = l_byteaInitFromFile("junk3.pdf");
    l_byteaFindEachSequence(lba1, (l_uint8 *)" 0 obj\n", 7, &da);
    l_dnaWriteStream(stderr, da);
    l_byteaDestroy(&lba1);
    l_dnaDestroy(&da);

        /* Test write to file */
    lba1 = l_byteaInitFromFile("feyn.tif");
    fp = lept_fopen("junk5", "wb");
    size1 = l_byteaGetSize(lba1);
    for (start = 0; start < size1; start += 1000) {
         end = L_MIN(start + 1000 - 1, size1 - 1);
         l_byteaWriteStream(fp, lba1, start, end);
    }
    lept_fclose(fp);
    l_byteaDestroy(&lba1);

    return 0;
}